added patch toolchain build

build.sh

@@ -80,6 +80,9 @@ GZIP_URL=https://mirror.ufs.ac.za/gnu/gzip/gzip-$GZIP_VERSION.tar.xz
 MAKE_VERSION=4.4.1
 MAKE_URL=https://mirror.ufs.ac.za/gnu/make/make-$MAKE_VERSION.tar.gz
 
+PATCH_VERSION=2.8
+PATCH_URL=https://mirror.ufs.ac.za/gnu/patch/patch-$PATCH_VERSION.tar.xz
+
 if [ ! -d "$SYSROOT" ]; then
     mkdir -p "$SYSROOT"/{etc,cross,sources,usr,dev,proc,sys,run}
 	mkdir -p "$SYSROOT"/usr/{bin,sbin,lib,include}
@@ -443,6 +446,21 @@ toolchain_make() {
 	cd "$SOURCES" && rm -rf make-$MAKE_VERSION
 }
 
+toolchain_patch() {
+	fetch $PATCH_URL
+
+	cd "$SOURCES" && tar xf patch-$PATCH_VERSION.tar.xz && cd patch-$PATCH_VERSION
+	
+	./configure \
+		--prefix=/usr \
+		--host=$TARGET \
+		--build=$(build-aux/config.guess)
+	
+	make && make DESTDIR="$SYSROOT" install 
+
+	cd "$SOURCES" && rm -rf patch-$PATCH_VERSION
+}
+
 #bootstrap_binutils
 #bootstap_gcc
 #bootstap_linux
@@ -457,5 +475,6 @@ toolchain_make() {
 #toolchain_findutils
 #toolchain_gawk
 #toolchain_grep
-toolchain_gzip
+#toolchain_gzip
 #toolchain_make
+toolchain_patch